21682830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1049}}^1$

素因数の和:1125

約数の個数: 64

約数和(自身を含む): 57153600

約数和(自身を除く): 35470770

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 53, 65, 78, 106, 130, 159, 195, 265, 318, 390, 530, 689, 795, 1049, 1378, 1590, 2067, 2098, 3147, 3445, 4134, 5245, 6294, 6890, 10335, 10490, 13637, 15735, 20670, 27274, 31470, 40911, 55597, 68185, 81822, 111194, 136370, 166791, 204555, 277985, 333582, 409110, 555970, 722761, 833955, 1445522, 1667910, 2168283, 3613805, 4336566, 7227610, 10841415, 21682830]

約数ペア:

[(1, 21682830), (2, 10841415), (3, 7227610), (5, 4336566), (6, 3613805), (10, 2168283), (13, 1667910), (15, 1445522), (26, 833955), (30, 722761), (39, 555970), (53, 409110), (65, 333582), (78, 277985), (106, 204555), (130, 166791), (159, 136370), (195, 111194), (265, 81822), (318, 68185), (390, 55597), (530, 40911), (689, 31470), (795, 27274), (1049, 20670), (1378, 15735), (1590, 13637), (2067, 10490), (2098, 10335), (3147, 6890), (3445, 6294), (4134, 5245)]